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Fencer Intel
high 8.2

CVE-2022-35893 json

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5.

published 4y ago modified 4mo ago also EUVD-2022-38766

cvss
8.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits
0
none known

Summary

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM memory corruption vulnerability in the FvbServicesRuntimeDxe driver allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.

Patch / fix

  • insyde insydeh2o 05.09.37, 05.17.37, 05.27.29, 05.36.29, 05.44.29, 05.52.29

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-257-04 updated cvss 8.2

Siemens RUGGEDCOM APE1808 Products

  • Siemens RUGGEDCOM APE1808 ADM (6GK6015-0AL20-0GL0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 ADM CC (6GK6015-0AL20-0GL1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 CKP (6GK6015-0AL20-0GK0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 CKP CC (6GK6015-0AL20-0GK1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 CLOUDCONNECT (6GK6015-0AL20-0GM0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 CLOUDCONNECT CC (6GK6015-0AL20-0GM1) <BIOS_V1.0.212N
    +16 more products
    Siemens RUGGEDCOM APE1808 ELAN (6GK6015-0AL20-0GP0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 ELAN CC (6GK6015-0AL20-0GP1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 SAM-L (6GK6015-0AL20-0GN0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808 SAM-L CC (6GK6015-0AL20-0GN1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-P (6GK6015-0AL20-1AA0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-P CC (6GK6015-0AL20-1AA1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S1 (6GK6015-0AL20-1AB0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S1 CC (6GK6015-0AL20-1AB1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S3 (6GK6015-0AL20-1AD0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S3 CC (6GK6015-0AL20-1AD1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S5 (6GK6015-0AL20-1AF0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808CLA-S5 CC (6GK6015-0AL20-1AF1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808LNX (6GK6015-0AL20-0GH0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808LNX CC (6GK6015-0AL20-0GH1) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808W10 (6GK6015-0AL20-0GJ0) <BIOS_V1.0.212N Siemens RUGGEDCOM APE1808W10 CC (6GK6015-0AL20-0GJ1) <BIOS_V1.0.212N
    affected: fixed in V1.0.212N support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CNA 3.1 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.